`envirodata.cz`

DNSSEC	🔒 Signed (DS record present)
A	38.242.149.84^{🇹🇷 CONTABO38.242.144.0/21 Route Registered for Cogent Communications Customer - Contabo GmbH}
		PTR	`sendonly.envirodata.cz`
NS	`ns.grdns.cz` ⭐
		A	2001:15e8:101:1::c268^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`ns.grdns.cz`
		A	81.2.194.104^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`ns.grdns.cz`
NS	`ns.grdns.it`
		A	2a00:6d41:2:1::7^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`ns.grdns.it`
		A	95.110.254.167^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`ns.grdns.it`
MX	`smtp.envirodata.cz` ⭐
		A	185.58.42.222^{🇨🇿 MASTER-AS185.58.40.0/22 CZ-MASTER-20140519}
			PTR	`185-58-42-222.static.masterinter.net`
TXT	`v=spf1 a mx ip4:185.58.42.222 ~all`
SOA	`ns.grdns.cz`admin@grdns.cz 2026-04-09 #1

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1776203235

Subdomains

smtp.envirodata.cz

Same first word

envirodata.se

envirodata.co.nz

envirodata.ca

envirodata.cz

envirodata.de

Similar names

videotanar.hu

dotnaviera.com

aviatorden.com

roatandive.com

DNS History

6 records (4 active, 2 former)

●NSns.grdns.cz2015-08-19 → 2026-04-14 · 2 obs

● 2015-08-19 23:21:46
● 2026-04-14 21:51:58

●NSns.grdns.it2015-08-19 → 2026-04-14 · 2 obs

● 2015-08-19 23:21:46
● 2026-04-14 21:51:58

○MXmail.envirodata.cz2015-08-19 → 2017-09-03 · 4 obs

● 2015-08-19 23:21:46
● 2017-09-03 23:36:24
○ 2026-03-30 19:54:10
○ 2026-04-14 21:51:58

●MXsmtp.envirodata.cz2026-03-30 → 2026-04-14 · 3 obs

○ 2017-09-03 23:36:24
● 2026-03-30 19:54:10
● 2026-04-14 21:51:58

○A195.140.254.522015-08-19 → 2017-09-03 · 4 obs

● 2015-08-19 23:21:46
● 2017-09-03 23:36:24
○ 2026-03-30 19:54:10
○ 2026-04-14 21:51:58

●A38.242.149.842026-03-30 → 2026-04-14 · 3 obs

○ 2017-09-03 23:36:24
● 2026-03-30 19:54:10
● 2026-04-14 21:51:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
envirodata.cz	ns.grdns.cz, ns.grdns.it	2 records

✅ Authoritative Response

Server:95.110.254.167

NS records: ns.grdns.cz, ns.grdns.it

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1431ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.242.149.84`
NS	2	`ns.grdns.cz, ns.grdns.it`
MX	1	`smtp.envirodata.cz (pri: 10)`
TXT	1	`v=spf1 a mx ip4:185.58.42.222 ~all`
SOA	1	`ns.grdns.cz admin.grdns.cz`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.grdns.cz, ns.grdns.cz)

Analysis

Hierarchy

envirodata.cz is the parent of smtp.envirodata.cz.

IP Addresses

envirodata.cz resolves to one IP number: 38.242.149.84.

Name Servers

envirodata.cz is delegated to two name servers ns.grdns.cz and ns.grdns.it.

envirodata.cz shares the same name server setup as other domains, for instance vaness.cz, mpla.cz, thlsystems.cz, li(0x6469636b)a31.cz and narwastu.org.

envirodata.cz shares name servers with other domains at least partially, for example ahx.cz and zone.cz.

These name servers are commonly used alongside nsx1.infoset.cz and nsx2.infoset.cz.

Host names with two IP numbers:

The host name ns.grdns.cz points to 2001:15e8:101:1::c268 and 81.2.194.104; the host name ns.grdns.it points to 2a00:6d41:2:1::7 and 95.110.254.167.

Mail Servers

envirodata.cz is handled by a single mail server, smtp.envirodata.cz.

smtp.envirodata.cz resolves to IP 185.58.42.222.

envirodata.cz - robtex.com

envirodata.cz

cz